scholarly journals A visually secure image encryption method based on integer wavelet transform and rhombus prediction

2021 ◽  
Vol 18 (2) ◽  
pp. 1722-1739
Author(s):  
Xianyi Chen ◽  
◽  
Mengling Zou ◽  
Bin Yang ◽  
Zhenli Wang ◽  
...  
Keyword(s):  
Wavelet Transform ◽  
Image Encryption ◽  
Integer Wavelet Transform ◽  
Encryption Method ◽  
Integer Wavelet

scholarly journals Image Encryption based on Chaotic Map and Reversible Integer Wavelet Transform

2014 ◽  
Vol 65 (2) ◽  
pp. 90-96 ◽  
Author(s):  
Xiaopeng Wei ◽  
Bin Wang ◽  
Qiang Zhang ◽  
Chao Che
Keyword(s):  
Wavelet Transform ◽  
Image Encryption ◽  
Chaotic Maps ◽  
Chaotic Map ◽  
Experimental Results ◽  
Integer Wavelet Transform ◽  
Image Information ◽  
Initial Values ◽  
Plain Image ◽  
Integer Wavelet

Abstract In recent years, there has been growing interesting in image encryption based on chaotic maps and wavelet transform. In this paper, a novel scheme for image encryption based on chaotic maps and reversible integer wavelet transform is proposed. Firstly, the cipher key which is related to plain-image is used to generate different parameters and initial values of chaotic maps. Then the plain-image is permuted by the order from chaotic maps, and processed by integer wavelet transform. A part of transform coefficient is diffused by the orbits of chaotic maps. Finally, the cipher image is obtained by inverse integer wavelet transform based on the diffused coefficient. Numerical experimental results and comparing with previous works show that the proposed scheme possesses higher security than previous works, which is suitable for protecting the image information.

scholarly journals Enhanced Playfair Cipher for Image Encryption using Integer Wavelet Transform

2016 ◽  
Vol 9 (39) ◽  
Author(s):  
Sudharshan Chakravarthy ◽  
S. Prasanna Venkatesan ◽  
J. Madhav Anand ◽  
J. Jennifer Ranjani
Keyword(s):  
Wavelet Transform ◽  
Image Encryption ◽  
Integer Wavelet Transform ◽  
Integer Wavelet

scholarly journals Reversible Integer Wavelet Transform for the Joint of Image Encryption and Watermarking

2015 ◽  
Vol 2015 ◽  
pp. 1-11 ◽  
Author(s):  
Bin Wang
Keyword(s):  
Wavelet Transform ◽  
Image Encryption ◽  
Chaotic Maps ◽  
Integer Wavelet Transform ◽  
Histogram Modification ◽  
Encrypted Image ◽  
Considerable Research ◽  
Plain Image ◽  
Lossless Watermarking ◽  
Integer Wavelet

In recent years, signal processing in the encrypted domain has attracted considerable research interest, especially embedding watermarking in encrypted image. In this work, a novel joint of image encryption and watermarking based on reversible integer wavelet transform is proposed. Firstly, the plain-image is encrypted by chaotic maps and reversible integer wavelet transform. Then the lossless watermarking is embedded in the encrypted image by reversible integer wavelet transform and histogram modification. Finally an encrypted image containing watermarking is obtained by the inverse integer wavelet transform. What is more, the original image and watermarking can be completely recovered by inverse process. Numerical experimental results and comparing with previous works show that the proposed scheme possesses higher security and embedding capacity than previous works. It is suitable for protecting the image information.

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